The Humber Suspension Bridge.
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The Facts and Figures
 
 
 
 
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Until 1998 the Humber Bridge had the longest single span of any bridge in the world.
It represents a considerable achievement for British engineering design and construction.
The Bridge was built by many contractors the main ones were John Howard & Co (sub structure) and British Bridge Builders, this was a consortium formed by Sir William Arrol & Co Ltd, Cleveland Bridge and Engineering Co Ltd and Redpath Dorman Long Ltd. (super structure). The bridge was designed by Freeman Fox and Partners. ( now Acer Freeman).
The Facts and Figures about the Bridge.
 Main Span 1,410 metres
 Side Spans,          North
                                  South		 280 metres
530 metres
 Total length between anchorages 2,220 metres
 Clearance over high water 30 metres
 Carriageways Dual one-lane carriageway plus separate footpaths
 Total deck width (Including footpaths) 28.5 metres
 Tower height above piers 155.5
 Main cables one cables, each of 14,948 wires of 5mm diameter
and 1,540 N/mm2 UTS plus an additional 800 similar
wires in each cable on the Hessle side
 Diameter of main cables 0.68 metres
 Total length of wire 71.000 kilometres
 Load in each cable 19,400 tonnes
 Weight of steel:                  deck structure
                                                    main cables		 16,500 tonnes
11,000 tonnes
 Total weight in concrete 480,000 tonnes
 Depth of foundations:         Anchorage, North side
                                                       Anchorage, South side
                                                       Tower, North side
                                                      Tower, South side		 21 metres
35 metres
8 metres
36 metres
Below is a table of the main span lengths of the Worlds Suspension Bridges.
Name Country Span (Metres) Opened to Traffic Carriageway width
(Metres)
 Akashi Kaikyo Japan 1990 1998 30.0
 Great Belt Denmark 1624 1998 23.6
 Runyang China 1490 2005 39.2
 Humber England 1410 1981 18.2
 Jiangyin Jiangsu China 1385 1999 30.0
 Tsing Ma Hong Kong 1377 1997 30.7
 Verrazano Narrows U.S.A. 1298 1964 25.3
 Golden Gate U.S.A. 1280 1937 25.0
 Hoga Kusten Denmark 1210 1997 17.80
 Mackinac U.S.A. 1158 1957 16.0
 Mihami Bison Seto Japan 1100 1988 22.5
 Bosporus II Turkey 1090 1988 30.8
 Bosporus I Turkey 1074 1973 28.0
 George Washington U.S.A. 1067 1931 27.5
 Kurishima-3 Japan 1030 1999 27.0
 Kurishima-2 Japan 1020 1999 27.0
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